const cp = require('child_process')
const fs = require('fs')
const path = require('path')

const args = require('minimist')(process.argv.slice(2), {
  boolean: ['default'],
  string: ['jUnitDir']
})

const BASE = path.resolve(__dirname, '../..')
const DISABLED_TESTS = require('./node-disabled-tests.json')
const NODE_DIR = path.resolve(BASE, 'third_party', 'electron_node')
const NPX_CMD = process.platform === 'win32' ? 'npx.cmd' : 'npx'
const JUNIT_DIR = args.jUnitDir ? path.resolve(args.jUnitDir) : null
const TAP_FILE_NAME = 'test.tap'

const utils = require('./lib/utils')
const { YARN_VERSION } = require('./yarn')

if (!process.mainModule) {
  throw new Error('Must call the node spec runner directly')
}

const defaultOptions = [
  'tools/test.py',
  '-p',
  'tap',
  '--logfile',
  TAP_FILE_NAME,
  '--mode=debug',
  'default',
  `--skip-tests=${DISABLED_TESTS.join(',')}`,
  '--shell',
  utils.getAbsoluteElectronExec(),
  '-J'
]

const getCustomOptions = () => {
  let customOptions = ['tools/test.py']

  // Add all custom arguments.
  const extra = process.argv.slice(2)
  if (extra) {
    customOptions = customOptions.concat(extra)
  }

  // We need this unilaterally or Node.js will try
  // to run from out/Release/node.
  customOptions = customOptions.concat([
    '--shell',
    utils.getAbsoluteElectronExec()
  ])

  return customOptions
}

async function main () {
  const options = args.default ? defaultOptions : getCustomOptions()

  const testChild = cp.spawn('python', options, {
    env: {
      ...process.env,
      ELECTRON_RUN_AS_NODE: 'true',
      ELECTRON_EAGER_ASAR_HOOK_FOR_TESTING: 'true'
    },
    cwd: NODE_DIR,
    stdio: 'inherit'
  })
  testChild.on('exit', (testCode) => {
    if (JUNIT_DIR) {
      fs.mkdirSync(JUNIT_DIR)
      const converterStream = require('tap-xunit')()
      fs.createReadStream(
        path.resolve(NODE_DIR, TAP_FILE_NAME)
      ).pipe(converterStream).pipe(
        fs.createWriteStream(path.resolve(JUNIT_DIR, 'nodejs.xml'))
      ).on('close', () => {
        process.exit(testCode)
      })
    }
  })
}

main().catch((err) => {
  console.error('An unhandled error occurred in the node spec runner', err)
  process.exit(1)
})
